| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 02/21/2007 | EP1118180B1 Improvement in optical multichannel systems |
| 02/21/2007 | CN2872750Y Optical-fiber digital broadcasting equipment |
| 02/21/2007 | CN2872749Y Straight-amplification station of mobile telecommunication radio-frequency for optical-fiber transmission |
| 02/21/2007 | CN2872748Y Light terminal machine |
| 02/21/2007 | CN2872747Y System and disconnected electric module for realizing light-interface equipment interconnection |
| 02/21/2007 | CN2872388Y Optical-fiber receiver-transmitter |
| 02/21/2007 | CN1918837A Method for the optical transmission of a polarisation-multiplexed signal |
| 02/21/2007 | CN1918830A Method for regulating the pump power of an optical amplifier |
| 02/21/2007 | CN1918829A Optical network and amplifier node therefore |
| 02/21/2007 | CN1918828A System and method for subcarrier modulation in ism band as supervisory channel |
| 02/21/2007 | CN1918827A All-optical wavelength converter circuit |
| 02/21/2007 | CN1917547A Method and system for supplying power for optical network terminals |
| 02/21/2007 | CN1917448A Method for managing optical network with no source |
| 02/21/2007 | CN1917402A Network technique of general label exchange in high performance nested radio laser communication network |
| 02/21/2007 | CN1917307A Optical amplifier for amplifying multi-wavelength light |
| 02/21/2007 | CN1916698A Method for polarized quadrature modulating optical label based on residual sideband |
| 02/21/2007 | CN1916674A Optical transmission device equipped with pluggable variable optical attenuator |
| 02/21/2007 | CN1301602C System for optical demultiplexing of wavelength bands |
| 02/21/2007 | CN1301601C Device of full light network reusing segment shared protection |
| 02/21/2007 | CN1301600C Frequency separating device |
| 02/21/2007 | CN1301599C Method for positioning up branch signal multi-frame and pointer |
| 02/21/2007 | CN1301416C Optical waveguide circuit |
| 02/20/2007 | US7181146 Self-adjusting data transmitter |
| 02/20/2007 | US7181145 Optical communication multiplex device for vehicle and communication method using same |
| 02/20/2007 | US7181144 Circuit design and optics system for infrared signal transceivers |
| 02/20/2007 | US7181143 Free space optics communication apparatus and free space optics communication system |
| 02/20/2007 | US7181141 Method and system for collecting network topology in an optical communications network |
| 02/20/2007 | US7181138 Optical network connection test apparatus and methods |
| 02/20/2007 | US7181137 Subband spectrum analysis for optical multiplex section protection |
| 02/20/2007 | US7181119 Optically amplifying waveguide, optical amplifier module, and optical communication system |
| 02/20/2007 | US7181104 Optical monitor and a method for improved optical monitoring |
| 02/20/2007 | US7181097 Methods of achieving optimal communications performance |
| 02/20/2007 | US7180654 Raman amplifier |
| 02/20/2007 | US7180586 System for detection of wafer defects |
| 02/20/2007 | US7180427 Information system |
| 02/20/2007 | US7178993 Optical transceiver reducing EMI noise |
| 02/20/2007 | US7178992 Apparatus and method of signal detection in an optical transceiver |
| 02/15/2007 | WO2007019035A2 Multimode fiber optic amplifier and method of amplifying optical signals |
| 02/15/2007 | WO2007018851A2 Ir control signal distribution via a communications network |
| 02/15/2007 | WO2007018833A2 Measurement system having modulated laser source |
| 02/15/2007 | WO2007018378A1 The long-reach wavelength division multiplexing passive optical networks by using the position adjustment of broadband light source |
| 02/15/2007 | WO2007018209A1 Fourth harmonic generating system using optical carrier suppressed double sideband modulator |
| 02/15/2007 | WO2007016922A1 Method and device for pure optical regeneration of phase-modulated optical signals with regard to pulse shape pulse height timing and phase |
| 02/15/2007 | WO2007016786A1 Direct attach optical receiver module and method of testing |
| 02/15/2007 | WO2006073999A3 Programmable loss of signal detect hardware and method |
| 02/15/2007 | WO2006004843A3 Application-specific microcode for controlling an optical transceiver |
| 02/15/2007 | WO2005122344A3 Wideband optical amplifier with a wide dynamic range |
| 02/15/2007 | US20070037606 Transmitter of wireless microphone, receiver for wireless microphone, portable information communication device, and wireless microphone communication system |
| 02/15/2007 | US20070036557 Wide field of view heterodyne receiver |
| 02/15/2007 | US20070036556 Optical label switching scheme employing differential phase-shift keying for payloads and intensity modulation for labels using a single optical modulator |
| 02/15/2007 | US20070036555 Coherent phase-shift-keying |
| 02/15/2007 | US20070036554 Thermal drift compensation system and method for optical networks |
| 02/15/2007 | US20070036553 Phase chip frequency-bins optical code division multiple access |
| 02/15/2007 | US20070036552 Thermal drift compensation system and method for optical networks |
| 02/15/2007 | US20070036551 Thermal drift compensation system and method for optical networks |
| 02/15/2007 | US20070036550 Communications apparatus |
| 02/15/2007 | US20070036549 Optical transmission apparatus |
| 02/15/2007 | US20070036545 Method for monitoring an optical transmission line, corresponding measuring device and optical transmitter |
| 02/15/2007 | US20070036544 Optical network, node apparatus and method for relieving path fault |
| 02/15/2007 | US20070036543 Optical network and method including self-test capability |
| 02/15/2007 | US20070036542 Method for recognizing the integrity of an optical access line, optical system, tree-shaped access network, measuring unit, reflector and optical transmit and receive unit |
| 02/15/2007 | US20070036483 Wavelength-division-multiplexed light source and wavelength-division-multiplexed passive optical network using the same |
| 02/15/2007 | US20070036481 Optical switch and optical add/drop multiplexer using the same |
| 02/15/2007 | US20070035722 System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber |
| 02/15/2007 | DE102006036997A1 Kommunikationsvorrichtung Communication device |
| 02/15/2007 | DE102005063338A1 Modulated optical signal transmission device for e.g. radar system, has segmented optical fiber where lengths of segments, propagation directions and lines are designed, such that signal has time/phase difference less than periodic duration |
| 02/15/2007 | DE102005037828B3 Verfahren und Vorrichtung zur rein-optischen Regeneration phasenmodulierter optischer Signale in Bezug auf Pulsform, Pulshöhe, Takt und Phase Method and apparatus for pure-optical regeneration phase-modulated optical signals with respect to pulse shape, pulse height, clock and phase |
| 02/15/2007 | DE102005036937A1 Measuring signal evaluating circuit for e.g. infrared push-button, has auxiliary power source causing additional current flow in case of irradiation so that switch element operates with favorable signal-to-noise ratio in case of irradiation |
| 02/15/2007 | DE102005036297A1 Verfahren und Anordnung zur Polarisationsmodemdispersions-Kompensation Method and system for polarization dispersion compensation modem |
| 02/15/2007 | DE102005032900B3 THz-Sender und THz-Empfänger THz THz transmitter and receiver |
| 02/14/2007 | EP1753161A1 Raman-amplified optical transmission system and method for amplifying optical signals |
| 02/14/2007 | EP1753160A1 Optical signal quality monitoring circuit and optical signal quality monitoring method |
| 02/14/2007 | EP1753159A1 Method for monitoring an optical transmission line, corresponding measuring device and optical transmitter |
| 02/14/2007 | EP1753158A1 Transmission device, reception device, signal transmission device, and signal transmission method |
| 02/14/2007 | EP1751895A1 Control circuitry in optoelectronic modules for laser modulation crossing point adjustment |
| 02/14/2007 | EP1751894A2 Multiple channel optical transceiver modules |
| 02/14/2007 | EP1751617A2 Optical device and circuit using phase modulation and related methods |
| 02/14/2007 | EP1751595A1 Method and apparatus providing an electrical-optical coupler |
| 02/14/2007 | EP1751594A2 Fiber-optic transceiver |
| 02/14/2007 | EP1523817B1 Optical receiver circuit |
| 02/14/2007 | EP1523114B1 Optical transmission system |
| 02/14/2007 | EP1344361B1 Method to identify and characterize nonlinearities in optical communications channels |
| 02/14/2007 | EP1280294B1 Optical clock signal distribution system in wdm network |
| 02/14/2007 | CN2870315Y WCDMA optical-fiber high-frequency-amplification station |
| 02/14/2007 | CN2870314Y Inlaid infrared communication circuit |
| 02/14/2007 | CN1914940A Position information communication apparatus |
| 02/14/2007 | CN1914920A Optical signal receiver and optical signal transmitter |
| 02/14/2007 | CN1914840A Optical signal transmission apparatus, system and method |
| 02/14/2007 | CN1914836A Multimode optical transmission system and multimode optical transmission method |
| 02/14/2007 | CN1914834A Portable terminal with built-in camera for visible light communication |
| 02/14/2007 | CN1913494A Method of generating service route based on light network service flow |
| 02/14/2007 | CN1913401A Eye protection equipment and method of high power light signal transmission system |
| 02/14/2007 | CN1913400A Raman-amplified optical transmission system and method for amplifying optical signals |
| 02/14/2007 | CN1913399A Data communication switchover method and system |
| 02/14/2007 | CN1913398A Method for monitoring an optical transmission line, corresponding measuring device and optical transmitter |
| 02/14/2007 | CN1913397A Dispersion real-time monitoring method applied in DWDM high speed transmission system |
| 02/14/2007 | CN1300966C Channel protection method ketween plates in wavelength division multiplexing system |
| 02/14/2007 | CN1300959C Narrow band thermal-optically tuned Fabry-Perot filter with flattop and steep belt edge response |
| 02/14/2007 | CN1300958C A multi-wavelength single-span long distance transmission method |
| 02/14/2007 | CN1300957C Super-broadband integral optical waveguide microwave subcarrier electromagnetic wave receiver |